Yamaha YZF-R125 Service Manual: Disassembling the front fork legs

Yamaha YZF-R125 Service Manual / Chassis / Front fork / Disassembling the front fork legs

The following procedure applies to both of the front fork legs.

1. Remove:

  • Rubber cap
  • Clip "1"
  • Front fork cap "2" (with O-ring)
  • Fork spring

NOTE:

Push the front fork cap in the direction of the arrow shown in the illustration to remove the clip.

Disassembling the front fork legs


2. Drain:

  • Fork oil

NOTE:

Stroke the inner tube several times while draining the fork oil.

Disassembling the front fork legs


3. Remove:

  • Dust seal "1"
  • Oil seal clip "2" (with a flat-head screwdriver)

CAUTION:

Do not scratch the inner tube.

4. Remove:

  • Damper rod bolt "1"
  • Damper rod

NOTE:

While holding the damper rod with the damper rod holder "2" and T-handle "3", loosen the damper rod bolt.


Disassembling the front fork legs


    Removing the front fork legs
    The following procedure applies to both of the front fork legs. 1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of ...

    Checking the front fork legs
    The following procedure applies to both of the front fork legs. 1. Check: Inner tube Outer tube Bends/damage/scratches Replace. WARNINGDo not attempt to straighten a bent inner ...

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    1. Measure: Main axle runout (with a centering device and dial gauge "1") Out of specification Replace the main axle. 2. Measure: Drive axle runout (with a centering device and dial gauge "1") Out of specification Replace the drive axle. 3. Check: Transmiss ...

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    Installing the air filter case 1. Install: Air filter case joint clamp NOTE: Align the projection "a" on the air filter case with the slot "b" in the air filter case joint clamp. ...

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    1. Check: Intake air pressure sensor output voltage Out of specification Replace the throttle body. a. Connect the pocket tester (DC 20 V) to the throttle body sensor assembly coupler as shown. Positive tester probe pink/white "1" Negative tester probe gray/black "2" ...

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